Loggerhead LHC Manual Download Page 5

3.

 

To start, switch the LS1 board power switch to ON.  This turns on power to the audio 
board, which then controls when the video board records. The camera should turn on 
(green LED illuminated) after the LS1 initializes the microSD card(s). 

4.

 

Change the settings to the desired recording schedule using the push buttons.  

5.

 

Start recording by pressing UP and DOWN buttons simultaneously. 

6.

 

Wait to make sure the first recording starts properly. The display will go off on the LS1 
board, and a red LED on the camera will flash. 

7.

 

Make sure o-rings are lubricated with silicone.  Insert into tube and rotate to screw on 
the lid.  The lid should be tightened hand tight. DO NOT USE A STRAP WRENCH TO 
CLOSE THE HOUSING. 

LEDS 

What to expect: 

After switching the power switch, the orange LED on the audio board will illuminate.  If the first 
recording is more than one minute in the future, the board will go to sleep. 

The camera will power on about 10 s before the first recording. 

Once the camera recording is triggered, the red LED will flash slowly during recording. 

When the camera is commanded to power down, the red LED will flash quickly, and then all 
camera LEDs will turn off. 

Mounting Bracket 

LHC comes with a u-bolt mounting bracket that can be fit around the tube.  The mount includes 
a quick release mount for a tripod. 

 

Files 

Video 

Remove the microSD card from the camera board.  Push the card in to eject it.  Insert the card 
into a computer and view the files directly on the PC.  Note that Macintosh computers may 
leave extra files on the card, which may interfere with proper startup.  After downloading the 
files. Delete the files before starting the next recording session. 

Audio 

Remove the microSD card by pulling it out (there is no spring eject on the audio board).  Audio 
files are stored as standard .wav files. 

The start date and time of the file is stored in the filename. 

Summary of Contents for LHC

Page 1: ...LHC Loggerhead Cyclops Camera www loggerhead com Updated 18 May 2017 ...

Page 2: ... LHC is housed in a PVC tube and is depth rated to 500 m Each board has its own microSD flash card Typically the larger card e g 128 GB is used with the video camera and the smaller card e g 64 GB is used with the LS1 audio board The audio board records at 44 1 kHz The video camera does not record audio LS1 Audio interface board The memory card should be placed in slot 1 Camera with green power LE...

Page 3: ...s UP and DOWN buttons simultaneously to start recording Rec Record duration in seconds Slp Sleep duration seconds Year Real time clock Year Month Real time clock Month Day Real time clock Day Hour Real time clock Hour Minute Real time clock Minute Second Real time clock Second Mode Norm Normal record mode Camera will alternate recording and sleeping continuously Diel Camera will alternate recordin...

Page 4: ...camera will be updated when the camera is powered on Time txt file contents DATE YYYY MM DD TIME HH MM Example DATE 2016 01 20 TIME 13 00 After the card is in the camera switch on power to the LHC and manually start the camera at the time corresponding to the time in the time txt file For example for the file above the camera would be turned on at 1300 hours on 20 January 2016 Preparing to Record ...

Page 5: ...g is more than one minute in the future the board will go to sleep The camera will power on about 10 s before the first recording Once the camera recording is triggered the red LED will flash slowly during recording When the camera is commanded to power down the red LED will flash quickly and then all camera LEDs will turn off Mounting Bracket LHC comes with a u bolt mounting bracket that can be f...

Page 6: ...ed off by holding down the button on the camera board for 5 seconds Housing Lens The housing lens is made of acrylic If it becomes scratched you can polish it with an acrylic polishing kit If you are in the field without a kit toothpaste may work ...

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